Information for the public

Prescribing sildenafil

Prescribing sildenafil

If a prescriber wants to use an unlicensed or off‑label medicine, they must follow their professional guide, for example, for doctors the General Medical Council's good practice guidelines. These include giving information about the treatment and discussing the possible benefits and harms so that the patient has enough information to decide whether or not to have the treatment. This is called giving informed consent.